{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa065baf92995c261d61e2036611733bc56e38b2044c846a0061cef65310ba25b",
    "signature": "0x0290010c6a2dc76b6ea16c4e5c60ea2c2d74b6d559320e1a51103b52f5b8ea0b687172d40e43768143fc5e6d4ee32cdb13a8914320690ae535a26f66aa2446c51c",
    "signer": "0xCe146265e280c19E5B68400a59f1a07B60408aEc",
    "userId": "554250826"
  }
}