{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89625",
    "entityType": "User",
    "nonce": "0x685c53573246ab07c2f32a3b95528adf582a418330d6bd94eb2ea644bff74b00",
    "signature": "0x4b90d29d02da752f8fb05f7449b916831db3b0cd7c3d636ba82d114a507b300d24e79c14115fbb1e2dc5e65d1f0fe2d8776fecdc65a70e21c6f3e3a830f8c3661c",
    "signer": "0xF7628Ea36C0C266E289b7538b033fB949A6C31ff",
    "userId": "386745392"
  }
}