{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "208569",
    "entityType": "User",
    "nonce": "0x96a4c2144d7879abb491120094bf091df7d9921dbbda96f857b9798daf29fde7",
    "signature": "0xa461b6f57a6072e878ab541411104f15853c3f02a2d83a65b65bf6fb5f2651fd7ee019a9d6beabb480e778e57cfa2bd109e3c868ab7ec4db39123baaa215d4661c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}