{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "48341",
    "entityType": "User",
    "nonce": "0x3347233c04b2dd19f7db7c47b0235d528a7a72ce5c6201377e5e406b3e9fe4ee",
    "signature": "0xb22de26abccfd6469557dd46c2534e97b4f2ff0ac93b95432f2f6c8aa378212d4fa3ac954c4ab831c3f55e4c7cab064bd2f5122c192a7da883410ef3240124161b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}