{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2595",
    "entityType": "User",
    "nonce": "0x389fc2a1e183815c0c0fb48a446b20de5d3d8c0b572bc4acf888bec6b08cc3b4",
    "signature": "0xb775de8d10fa046b31de46b64dbad7dcfbb0e8ce7a0cd58abca2253839098e6619c83a2d0da9683d761012e26464747eed28fbd8bcafc4927a26da6194b8d3411c",
    "signer": "0x4771D256e7217EB6B247e8cBaFbbCb199424a6b2",
    "userId": "836389559"
  }
}