{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "62774",
    "entityType": "User",
    "nonce": "0x5c0ec57210fa9c2e26dda024a567b2056e7ebcdf05d81a752a7640d7e30655ac",
    "signature": "0xc2fa3fb8839840093c5c285c044c701c23cafe0512909b74daaafb4b23168b294f974c7c70bc8065b54518a2f82b8f74d7cb2d4a55306bdc7719752d1b6e82541b",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}