{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43323",
    "entityType": "User",
    "nonce": "0x8391742a61b4fef3fd9767d5ebea8afe242cfffd4846deed7e29312ee9c74a15",
    "signature": "0x706d9915886ad1069d18e0556151c8e2e2e6c743195acd71b024e06c3e5f99496076657eaea5c63b48727fe8d05851d633f82de8524d94c5db86a3ba0bc384bc1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}