{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "887547386",
    "entityType": "User",
    "nonce": "0xe477a2995baba1b025844df0f73a330f3717bf12a8107032d7c77850887caf21",
    "signature": "0x6e19f948277dd6062e40ee8bab7260644f366129c80c646736af5b6254730a670465efa3ccbbd3e3dec00068a48f78f556661b899b89cafa7e7058d56cc3aea81c",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}