{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x51e65acde3840e51600ff5deacbb9e5ca7e16e9746b86276a0ee5fbdd1249dfb",
    "signature": "0x32cd910ea806190473136312805359b9275a8ba28aac4d209717470f27b1ec2f7751ddfc1735321d1eb8487258d3511c15eebe06100292abf17db92fa4a0e97b1c",
    "signer": "0x8ae75eC27CB011828626C24f4d4B5647F42b80d7",
    "userId": "690992979"
  }
}