{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "66228",
    "entityType": "User",
    "nonce": "0xef018621f28eac0b1bd1105a34a709fcb470c338aa2d04368e18dd9d359d21ca",
    "signature": "0xe6f071bb847bfd83c601fb4409d95294ef2e9670a32ab5c3b4f1c4d5fb2dbd5927a0eaf976d369b2a5a54e65f1432ac0a75aad6342ec2e4d5ad2a4bbd14f94d71c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}