{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "97396",
    "entityType": "User",
    "nonce": "0x545741955a72f0abd2bcfa408a7b1b089d784e014d5851938cc0a82a49b90b28",
    "signature": "0x0120a5430fedb97b8778c3a19a1d5eed27d765c2fa713defe40165b125a82cd333327f7e93e1cd71533bce7c76b9774b128568441e688266c46df386cb2d53c71c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}