{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "163451",
    "entityType": "User",
    "nonce": "0x9702c038370d20da225a42fedcd7d02e96a118634d7baf73ce350cba52aea1f0",
    "signature": "0xc50810caa37dde86351da872c201f2c2f41d411c740ad2f9d86bc2d60ed63ffd451a6436a1057d89f5280ee942b81a15eb24eba250354b66c8e165e72beec36e1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}