{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "914397884",
    "entityType": "User",
    "nonce": "0x49811bb6bf5b2b5c27e79813f0383baad6b0c44338118e03f4bcb514215ebb76",
    "signature": "0x55b6dccd2879d349a537ed337b0182bc629d6d5d313dcf3940cdd6ca3e38446532266bf3d325d7a37563f9ed7a6112c87c82e7bd297b4d7dbf363f74f8f0e11b1b",
    "signer": "0x49725020a21cF6A928575eE04a5506771Fc95916",
    "userId": "908506084"
  }
}