{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xad6557cd60b97abc6df727c62c9c4593cdfdf3ef9085ab8d7c2d047c6e459c6c",
    "signature": "0xa61fe86e312292e79d04f3fbc81b80c08a5ac194c99640bfbcae2db1d8ea8bbb76367dac4b4228a39e7f7c56e8dd1004dfaca5bfcb59ac4b6b58e650b65767c61c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}