{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "942771296",
    "entityType": "User",
    "nonce": "0xb8734bc8c66fa165847501ed83ff3d7264ea3ff8a8192a320455d5f4c8e2581f",
    "signature": "0x36b6d9a534986fbbca07b82b44d15707b0a96e9bb5ca2bcb705c2f0ebb4d287646f11f36602f8b332512361043a2fc481f32522d10dd98f63227876ecceed2b91b",
    "signer": "0x7b52e6AA15Db4Fc3A84AFF2b12e5B8B128eA8610",
    "userId": "808512351"
  }
}