{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "396557",
    "entityType": "User",
    "nonce": "0x56eee9c771adf8bf4331c9c0055d4335d4c0d09bc843e6b5491b81e63852e13f",
    "signature": "0x450fa0fd501d4365b024b845f23033958938dd19fcbfd858fac51b1fcee402c9037c19183d5e5d506e7b0923620107105cb629eb3706d1a6fb194cbb8ae6ee571b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}