{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8415",
    "entityType": "User",
    "nonce": "0x058beee8cbcc138fb2c1704090ba3b1e4fb38504d5a2955851a4368439b35b77",
    "signature": "0xefdce46471bf1d1085b245aae94cd679acd1ab71fc7279bf740d7981b05b7dd53a820b65b8eb79acae21e210edfaee8771c330d47e1172c2183a3eb40a1a98251b",
    "signer": "0xAaC77705f5f6bd787D8581c36Ddaf7c0c7AE3370",
    "userId": "827420993"
  }
}