{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "236945",
    "entityType": "User",
    "nonce": "0xddc90b3d117525dd1c655c02c681f856437626d3a82fec3d19a9a7dc6b95b9e1",
    "signature": "0x78291ed1fbab9ada8b5e0000cedf258243b26385c2fe3ad125cb81167f3dfd6d651332d89ac057a626d7e6678167746c21baabe8a2ac778aca7417dc73b9d7e91c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}