{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "895527427",
    "entityType": "User",
    "nonce": "0xe05ff7f5949374a8a0bb2fefe7f970d382b459139744177e47e86b3a1c87b10f",
    "signature": "0x9521900804abc5eaf0472c7e08048d3db0e11b1279bf1143dd0885ebab8b86a475abf459804cf1fffad9e4be8d4b1c23a2320e0af77c16c4cffbd3969573254f1b",
    "signer": "0x775bA7FB8a4FF9354c099465ca493BA949FdAca6",
    "userId": "597677270"
  }
}