{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "71605",
    "entityType": "User",
    "nonce": "0x1efce29d98b80c4c3286fb5f6973620ae60cc373969e6669f58d72264e06aa5c",
    "signature": "0xaaa3e40b13b95623ebd16ae42c34822daf6759e9df9cb75b0fcbe381ed99c23c7de88e73f7ec6fe72c535a1eb83b0505ffc24c9f85327ccc0ec94587f14e984d1c",
    "signer": "0x34Cea527C1dc0575a5B686515aad0Bf8F3b5f97E",
    "userId": "13589021"
  }
}