{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "730051",
    "entityType": "User",
    "nonce": "0xdefa812017cdd0f9c8e937b71b64c63c2709ced58c461f47c2e7b84fc5046bca",
    "signature": "0x43a00914ec1441ab38761ee25588eff3fc1392a15408fcf5a34cee3c64f6c4ef0ab994fa42069dc32ee6459a4bdb1fbcc2bd8af5e0c286ba9599f57c9ae574a41b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}