{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x20676228a772d8c6301a13dcec21ebf38f0586cf7298c63e8d0b1932298aafdc",
    "signature": "0xe223884593ab5c98aff39d47888492dd446b7e8bebf42065e6cc91eddd13db335dbff2eaf864aea6e1cd186a0915ce1e6970f084c73b9171700638c30c99fe771b",
    "signer": "0x011D26Fa668d3CA0dA91799477D08C97f94E953c",
    "userId": "775942113"
  }
}