{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xfabe2ab711580d3c55defc7d26f22ce97764009d63c3a65111f05c57c353ad3a",
    "signature": "0xa0d1311e97f966922bf0dea4c8d49d27abf5b8dda71da08a5d3c939a866401d679762858e965a6d764a4c9c38f47ed7d2d81485be83057a2d49a2aeb40dafa6d1b",
    "signer": "0x4865023AB3C1AB9853928D8b08F0a64AF36115ba",
    "userId": "233004158"
  }
}