{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "45081176",
    "entityType": "User",
    "nonce": "0xbf398ae71b2746bcb6df20bc4b1c20973d3c477f608874be44974543ecde9a66",
    "signature": "0x93a03eb037e17841bd10488f7b44f5771c0f47321310d627eedbbe02a7f04f7806073d89aa853c75e114b6c6ed8f058dfad5879edb574cbdfe49707b75be93ab1c",
    "signer": "0x97eAfE883FbF33a8b75f6f37440caFE5CC452d3f",
    "userId": "849776474"
  }
}