{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "137166",
    "entityType": "User",
    "nonce": "0xfb56bc1dce589d91a0fee35c90b36fc2c47e0596923cf5b3a50db4271129483f",
    "signature": "0xa299d034ee2175eeab541eab295125deeb5580ab90b9775d3f62c4ab62407fe87a304aac9df7910783d74ff3d2364d06cac7465f6bad6b3543d21f235eaef0541b",
    "signer": "0x7c5233DE7A8aD918D090BD36cC8C0e6273814D60",
    "userId": "559710456"
  }
}