{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "310089",
    "entityType": "User",
    "nonce": "0xe35453e76c9a3bfa8ac8f4583d310523c96e49eb5b39fd5b30990ff820cf9645",
    "signature": "0xba88ed8c1db134597dea1939be70ef93bcbcb2bfc8ddffef04b305b8d90decb640371089f5f7b532b96254eaca7460a5a61f9307f155e90f5c6756c17b6fe8401b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}