{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "267643931",
    "entityType": "User",
    "nonce": "0xfdcd65e7e936f3dd01c645130ba361ea2e42e1171639076375dcb9ab3d1d3e88",
    "signature": "0xd91e8255263d7a72fd4e596f9eba6f046f810837dd44d75085e0679d6f81c5ae3ce8815e413e314b45eb366988abfcb75b9512ba55b154918d3e4872153ffb641b",
    "signer": "0xcd864e8A0A043bf1B2DA4106C35c1daF234468a5",
    "userId": "784246910"
  }
}