{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x3fcbcd9e3aed8c2c634668b0222874646c2b4fb5cbf47209023cda6e8cad1725",
    "signature": "0xeed1227e5afcea1e07516d3e44092ea193d01e218ace17b1be6122e884aeed132c556245cb432ea13c7a5e5c1d9dcc79204c4312812cc0300dcf687a27d777121b",
    "signer": "0x9cB833243e283F89D7515e148f9C1bD6E1B98581",
    "userId": "755651302"
  }
}