{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "831117417",
    "entityType": "User",
    "nonce": "0x1ea7a1ad8998ff04fe4397b90ce47fa5d626c5c33d050c9ee72dc94335e960b9",
    "signature": "0x1f252c29767a25502e1f8de1cfc4939b4e752052e8655785302c6b77e7d966f65f91b9b5807c9f4ec61d8a487ec5bdd1ac7f0291ac80f5b65db21059e92688171b",
    "signer": "0x742Fff9be20F80Ce7285c8Ab12B9018Ef3Cf14F0",
    "userId": "111467392"
  }
}