{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "76853",
    "entityType": "User",
    "nonce": "0x75641dfaad10e6d2cf4d66fc9a4149507c6c41806c2ad5bae30738b85b0210c9",
    "signature": "0x1ed8139094f06428da0cadeaed5e4902d90d9360967cf4e9cb336d16e73000075a07f9301d7dd7a19f89422badd65996c317fe2e1ed31ce0182b3629bf556f151b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}