{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "414331043",
    "entityType": "User",
    "nonce": "0x9c3374da04c380ba3e22e72d572bc7b34e76339203dfde53d4d74182f469bca7",
    "signature": "0xb0fee4f4bb4897d0722f47e77da14386db8c58402cfd334a50b7bab1b5eb7f186ac1de7db0d129988fccaf6fa1336217b64f68c4914c45cacedfd5bf2cdf140f1b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}