{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "358908",
    "entityType": "User",
    "nonce": "0x4a6cd270985416986bcb79e3f5e600d9f30e1cedd7c466393edeec1fc8089f5b",
    "signature": "0xb86108adf301a32c9e053d831c1ed98fbe2d9eac2eec397d4d9e83dae898d9862675d1fec74a5695bbad8506f2cb483122547c9ffacc2443c4315cef1a765ddf1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}