{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "951616224",
    "entityType": "User",
    "nonce": "0x1e3371c4426c75b30e81f755b7e58ba9bfff86d5179058ac7bbf23aea33e6182",
    "signature": "0xd6940d76eac68d1c8aebd47464ae386a68c2ce0318c9847dc4c1b52d25b40836600b6d1ba2333e48d5dac2707ef6e938417d5b5e5784357d93d81f6b362d96721b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}