{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5298",
    "entityType": "User",
    "nonce": "0x355eaedf79d4ae1a216d30caaf128f4591869d442ef74dde20d615fe415cf14e",
    "signature": "0xb883d71e649319bf3f5e1ad0b9eff1e35e0f0247ea6a7820dd133e3fad2888d74dd4e3e3bef7c81c2562be7fa954df0663f414747bc06a237e241224828f71351b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}