{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "222",
    "entityType": "User",
    "nonce": "0x86fa477a5420587d1d42e2d93fbcbcf686feb0faf3678f03221bca319ed6a636",
    "signature": "0x8e6a43d72c95161ddee328670b5b03e8a45fc48304a7a9c866163b2028f83696720f54cf6f19fae0287f9d9d22f7a614619d2ae38e533b71ca34a59d6a3b76451c",
    "signer": "0x294F540CE80e30CBc9Fb7bEA94F956ABdEcdEf68",
    "userId": "809640913"
  }
}