{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "383103",
    "entityType": "User",
    "nonce": "0x5d7a254f0810f462b9a96c92fda242cb185c27d6dc6364ec1f502d26654e7619",
    "signature": "0xa1c261ed5325b3b897f584cbed5a037801815de7440b024373283355216fd2cb08b23c6f01a01255a8f5126cba421f3b9c6468acc197625ef76017751df8a92b1c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}