{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "457059",
    "entityType": "User",
    "nonce": "0xa7529add86cd0f5ab409c6b1a873cd246b218def204045ccede0889ff3d88ad1",
    "signature": "0x4e0bfa04c06cda073eda07e11c3aab5b4ea7921968401d56edbaef57482cf6ad605c715bbba72edb5a95b0978a23c3d534d81d63f3b615c1d793e13a8b4f20dc1b",
    "signer": "0xFA54BdDbc2fd0fA514bA36393EF2F5a80Ee9C49b",
    "userId": "428192787"
  }
}