{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x091ec28899f4c2d19e98efd8d74bc73cd8a286e7c12e0f7e1fcc0582e57849d1",
    "signature": "0xe38f17c6dcc553c5576b968d060c1b1a2919ed942ecc38999e1d108225da318648275ff20dd59faafe2a166a1510da450fc25b39ccb5ee83e623f5d46c89835f1b",
    "signer": "0x65EA977550F72a2b597FCAD26968ac6D853C2Ee2",
    "userId": "953431020"
  }
}