{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "152826",
    "entityType": "User",
    "nonce": "0x03d599c18d674db9fc0fe226953f9e53e632b3aa2074faf41d8a7d7cd334590f",
    "signature": "0x28ffdce3e698121e242aa12781f48610e032565f72bcdb9835c082dfac4604135344108f8586a968a30dc2ea05aae50dd0c10229e5ed70bf10a9268daa7649cc1b",
    "signer": "0xd708949D0521A856Ca6eB44B4112bAEE59741ADD",
    "userId": "490478463"
  }
}