{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10225",
    "entityType": "User",
    "nonce": "0x36411dfb6a1b5bdd3bd8b23e1a01b82f11bafdeec65a92f3a610db3eb4c56d0b",
    "signature": "0x9dbb0b65507c4817a2b1dd2f82074975a633d2484269afd330b56d8aa57e1a106a67835cd7793205b8809dd2be41517ff5652c528089c71f1fcf3db0eeaa6e161c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}