{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "275305",
    "entityType": "User",
    "nonce": "0x14109036edf65e8cc9076a3905185e180c72b0e268f27472ee8563eb3f23903e",
    "signature": "0x8cdce83218cdadd791d6025a6299b706b5d5aa617fd8594a0a6ebcc254ef6ebc638e66434a6f417606fdc796e4a40c73b571fd5959eab100f4dafd647281340e1c",
    "signer": "0x34Cea527C1dc0575a5B686515aad0Bf8F3b5f97E",
    "userId": "13589021"
  }
}