{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x27e9a9e290a69534b318be58746444e467ff0e6b7d9c0400ed3e61e1595dbd63",
    "signature": "0x3b6cefd6f037c16f974575e888efb416c32a598caf8d761e3b19cd4ad185080b66277c6dfe372eaabeca8f291f5927d7990bb4af2734d3c4944cbd41f999e60f1b",
    "signer": "0x1c4Ee34565eE3A8304706138026D7518821F356F",
    "userId": "584804802"
  }
}