{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x7dc64604c2f70c8f3b08384206f1e2e51e61b52484a9aaa286f7c580fd42555a",
    "signature": "0x473e8c30cd3ed67bbbec437b8182a0283d5fdace5b59ecb21f91383ab944e89c4f08e6e1998064041a6245659c988a42046039fcc56919fc220459e19fbb5e311c",
    "signer": "0xc11D28404f39623f2A0d9D9eC6D9E5e4C8e06fEb",
    "userId": "563998093"
  }
}