{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4760",
    "entityType": "User",
    "nonce": "0xc3e25baf49ad77cf4dabc60364f92e772fcd3c2da6080652d6a76eb44e24795e",
    "signature": "0xe343d1bc76ce61a0ef3e31e166b37fc8586daadf933720e0a19393fa6a6f4e5e524bbeef0d39d045a2ebd8e21f4658ec9bb849d1f162f974e6cb825539f1e8271c",
    "signer": "0x35Ae368B61cCE64cC8ce2375c48dB7550942c1F1",
    "userId": "57935"
  }
}