{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "159154",
    "entityType": "User",
    "nonce": "0x1344357ac674c213d9a8e86504b051cf529fdffe1f341b59489aea40aae619aa",
    "signature": "0x63f07c2b4fd03e56b949f0c2ac1844daace4a3b298efe723cbb66de982a812d543288d55457408b49aaca500518e6418210305f20698cd908770bd7fb84d4e7f1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}