{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67658",
    "entityType": "User",
    "nonce": "0xe535a52c7783c6977d368cb75d6704199580487766e41b7e56613f4ed247d116",
    "signature": "0x2c4aa9e863b2a4971d93c771d5e44d2056dec7e92dce7cb2ef7ff9384d0bbb300964ec1302ee83ee85d0faeeb0a7a9f608c6ea5c4fb2c50ae611f715a0cc0dd51c",
    "signer": "0x1c4Ee34565eE3A8304706138026D7518821F356F",
    "userId": "584804802"
  }
}