{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "75740",
    "entityType": "User",
    "nonce": "0x716cb5673b8751fb481f8a05edb0716c1f2afb45a0e2f0903a9bfb0699294fb1",
    "signature": "0xa3178db189d99f17b03ac8ceea4a2612157a960f519453b75d659e04518981d057ee61e6f35757de36b9fa107730dcce4fe2d8eeac53396ad9e43a1293a128ec1b",
    "signer": "0x65b2681094e762CAD2349e6C1e2FbC8d54b9c046",
    "userId": "11153747"
  }
}