{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "152485",
    "entityType": "User",
    "nonce": "0x1e0133ad4492d8b199d753fd86b7c089dd9f1ece4b1e64eb039b26c342bb7417",
    "signature": "0x4bfd6f41667761fec5face38e10f7c2dfa47a605b4e3b2ddfdf49e68d8fe21cf46634b37687cf6c1f7d4f4ad9d8927c2440f8f2f1818ec40739225164b7f9a331c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}