{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1036471",
    "entityType": "User",
    "nonce": "0xf9881ccb2ff2cb7b18421b0677741d18fba05e7d3c51fdbcca1851765196d06b",
    "signature": "0x0fd4799a60d5ce7efd495266ab4ddd23e64c4091cef82b4d6752919992ce0b3e48b88ce67e2523917afcbafa1e7677028d6266977f958bb86f3729081c5aebb51b",
    "signer": "0x45dd4B563AbeCaB329e918D13925cDdFBca768C3",
    "userId": "265042309"
  }
}