{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10238",
    "entityType": "User",
    "nonce": "0x10fd0680f3aab2a1dc8d003226c84bcb6371733d33cd376019eaa86293afe256",
    "signature": "0x5b10f0bbf4cc1c6f6e0ec1866459df723de7240ed838c6ae9cf5e1848dd3574f2be482bb5321f0069c09f87f3ba26a6db1e7c76bd073ed6811bf4ccde3fb1ab21c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}