{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd5241ede2fcea39af154e80ade6ca425765a4710dd14d8533b301371ede60a12",
    "signature": "0x94293ec401e12894b01dda012e68c52f8363b492a27fd23b0017432f1500a6d039c678e3e2b475ace3be0c52357298bf1732cbc93cdda6edee49cc5297cf1d191c",
    "signer": "0xec5B6374874eE26bb4E0a4931a60842B7A2a968F",
    "userId": "503714362"
  }
}