{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "116967",
    "entityType": "User",
    "nonce": "0x8c2dfcf1798f4a9abf4c23ece923ca393f04d3f9b387a21203cbfd17f634c139",
    "signature": "0xc18e219cb9cc7d8779f12aa13b8589998d984932d7eba01a551bc68b959e919f5ef8831dc4986a6d73c71ae14e20c38465b62907e2b336c26ba7841f7fecef1d1c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}