{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "234183",
    "entityType": "User",
    "nonce": "0x4ea63352c259cde045ee4b26f2eced61f430fb5db0e821eef2cb098b2af8c13b",
    "signature": "0xc226f41c06121194a54025cca63ac0e4bdf4067e417db2ece0366e3d76cf35fb1996e5b833a905d3f6a9fcc7dc2dda65c4d323507b0340bb62159fd0d3527fb21c",
    "signer": "0xfC577feBb409AA095E990E5446388414cBFEaDbd",
    "userId": "29114334"
  }
}