{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1429398",
    "entityType": "User",
    "nonce": "0x56f2f14691f36dfbd7cd7b7af14f092a508e4ca1ca11ee33d20ea4ccdeb8ac9f",
    "signature": "0x187ad81370ac0f951747a9badac5d5eed2c0700e933cd1bbfa104e3d25bf47a2436e91a826727daec96171d1f30a858fa22e7a51b7bc37f88d4a3e77dabd91e31b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}