{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "224685891",
    "entityType": "User",
    "nonce": "0x206feb5748f086ac0f2a95771e6ad3724dc59ecaefbcbf9f6b0fe87850dc5e0d",
    "signature": "0x07858537455cce6f287ec1006d43502eb2bcf4119ee2bd6d21f506b34b5eb64f08911941fbd77c4c7e259b044334a30c5163b8ac10f92d0d65f3bd4408c680451b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}