{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "141118401",
    "entityType": "User",
    "nonce": "0xa0c58fbb786df9be280edb139bb2b18092f1050b4b194fc3e0eeee089a9d1615",
    "signature": "0xb868ea37bb10063f3f9c493840525a0d50ffa2939f20a4897e45b2871b4550031d3c2ba787a6b632eb208ad3e3565b3158ae4869e805da7bd2b1aa02c99b31fd1b",
    "signer": "0x07691D0C34E03020A13BE4B5a411B64CcFff5556",
    "userId": "9014"
  }
}