{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5283",
    "entityType": "User",
    "nonce": "0xfc195b04ad3829eacdcf608e5c4ec698f36e8692ae87f5a10a30188af2e605a2",
    "signature": "0x9cc9340df04a9e382b1445f84aac769bae3d6ae4de6e3409ccd46c3c2367bb922197ec217efea0750ae7c31d031f3d2357ce1a2a4cac854a991e98374d05afe81c",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}