{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157194",
    "entityType": "User",
    "nonce": "0x71843c3aa06f9f9741d6ff1c6fe123ecb08ea340b747541de2f97a90811d4485",
    "signature": "0x4cfc85d8a11628ea6ba0009f011ab6dc070fbae837d9682d3a11b1e53c958a6a335e80ecf7ea7a8bcaba06bee16aa1fe3066bb0e311e21afda56de0bc79c52f51c",
    "signer": "0xdce8AFD41B436C058DC5aCa850f232129F567359",
    "userId": "544327632"
  }
}