{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "834064217",
    "entityType": "User",
    "nonce": "0x4d793347387043bcfe4a88cc766183f110b7c91c1a4ac444fd2b4a9a595788f9",
    "signature": "0x0f9d4a27b43102ef8bbcde8d3a6ac08752c0a4792d89d76dc09ed6d72677c7311ea7619493099576fb2f89e4901d4794243150a4e6bf9cdc47a962053992ab111c",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}