{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x31c473f4bc936b0fabacf03a7bbfc2de85939f5c51db51522e39bae4c9cb0a4c",
    "signature": "0x9a78c6273463214525c64a61b6b05b61dfd5e52e1226e9229cd387cb428834212a9a8ad52e757fa279e39ade8e9fb37eac00afb3923354fbc53c900b6a08fc711b",
    "signer": "0x0f047Ca00821C79BB76b8464E54e20C1a47A6451",
    "userId": "60351207"
  }
}