{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "952581425",
    "entityType": "User",
    "nonce": "0x00d926f42fa5f581bbf96ec167a24be775bfc50ad0c0f1043a868e7a7a622f18",
    "signature": "0x05c50a06d828dfc750c1651b19e3a59b3548c8db61afbd4d883a2006c0ba35544ea6adeab2e7116bdb3352faec9d644ef6309ae074c67dd7730c3ee7c02e87521b",
    "signer": "0x6015AC6ad37b0328C10a529E70348751FE8ffF41",
    "userId": "176201"
  }
}