{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "98225",
    "entityType": "User",
    "nonce": "0x6a914a35bd37ea78bc646a9a64b5207d373aa955c5fb3f4ef86c847eceb455d1",
    "signature": "0xac0dd4ec7dff147d074b80f173f3102e524db4f9c8976956b852d95d3d0449b71c479d3bfc60bb86a6ec43b750e00c57278532dd8033ce7b729acc6ee9e1621f1c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}