{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "348435",
    "entityType": "User",
    "nonce": "0x6080e94105274951e9ae5f239dbe6e365f581d132e9c7139ba53b196ba1bbd0b",
    "signature": "0xea0bdb81837a79daf00601bc541f052d7aa7041f3efb2b6e952e994ec8e8f968101432d0244aac8d10836edfa128dc064d070e970b2e800d02eaf3d8dbe2726d1b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}