{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "202726249",
    "entityType": "User",
    "nonce": "0x898ed4d52ab9f1483c8ff8273f1bc976b2c283ee7b358fc3b665aa7d2f341ff7",
    "signature": "0xb4e7bf1372de1cd180d0a42cbe7c0ae64f2727c2087e03eae51aa84fbb0136f1332bfa628eac91c40cde8afb2eeb5fee9bdcb781228d08ee5fd521587a8455641c",
    "signer": "0xd708949D0521A856Ca6eB44B4112bAEE59741ADD",
    "userId": "490478463"
  }
}