{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x27688ac2a914ee9f8ce9d3dc5c709bcd68a822540a338eab30cddad4b4ef811e",
    "signature": "0x59cfa691d9a96f651f2115de53c7611e254b237b2a781be8aff7e956eb51bb1367d970d2ac0b53472d175a7701dee67578cb5cc5616942b551d13627ef9dad161c",
    "signer": "0x165ac7dD4D63a6A37cBa24549d0c710442e9b68b",
    "userId": "953219535"
  }
}