{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1364531",
    "entityType": "User",
    "nonce": "0x37a05057e54da0d8c264145618d366d80c75d67ea648403b427aa2cd800638e4",
    "signature": "0xc84467b0f31899c8a20a8d3d7dfcb4ef6b2ad8bace736db470d0d3f8b8ed27ae1c0b636141264be8022519115c0b8c1cc56def71ea643a45905e1b148ae8e3601b",
    "signer": "0x4230116F60d3989D218B84425D3D1Dd6C85e1393",
    "userId": "86128800"
  }
}