{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "840551112",
    "entityType": "User",
    "nonce": "0x08ab158939b5daf82ba6984a011a87557283e311b1e4a51fde15c33c100d9517",
    "signature": "0xbbcbbf45aa151986f6a9828eda78b15e3597951aa4357d9f838b1536ab2445102d4ff52156abae8c73be737646713b0f27b7d66a3375e4ec752d2f519a7c56d41b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}