{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "312862092",
    "entityType": "User",
    "nonce": "0x8fa547be32f219d7dd6e392aebd757277472951a6fec4ccfe7d01664ef12b6e0",
    "signature": "0x90ceb1ffc71d0226bb1831ee531c155395339421f394bfb5f847c3a962abaeaa18f905ab4c81990a07a590da5087e18ef53cd698c22c26205ddb5180a716b3df1b",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}