{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8182",
    "entityType": "User",
    "nonce": "0xd6a892b32a8687142de2c937064b0ca410aeb6a8897bcfbc0b64b208731f0482",
    "signature": "0x28be71f4c2be2d2cad23cb79e06ba7621409cf0120b51c776a9cf6ebc1f257db6e19782b88e730c19bd896901a1092a8f96f6f69ebfed6c651688a32400b7b531b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}