{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "994828784",
    "entityType": "User",
    "nonce": "0x338babf79746f0f5cc563328ff02b12a8f66dd59b301f9c2a5d70d237c6e53a0",
    "signature": "0xf7a163eb785ce79e80a27da209479c731c1df82fc4efc581c42e9234a88156046afccf192c0764019e77dfd976844a04f1970435c691b211502433d9a7f392b61b",
    "signer": "0x9172675bda2A216B583514ff7d62dcbAe753943F",
    "userId": "47399103"
  }
}