{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc1a0352a4411f38ad638e58a3e97b48a0046cdd72b75cf3005a78ce304c9ca0b",
    "signature": "0x1b8b1d7ffcd364c59f241db39d5010a80e44d3d62657467518fe209f2bc6f3ee3418cba048e6eeee1180e3d5923b66fee699a1fd246531f0a992808a68dadf8a1c",
    "signer": "0x94Ce870556bD917858b20656e74496546d67F71A",
    "userId": "573536019"
  }
}