{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "406225571",
    "entityType": "User",
    "nonce": "0xeb21da30d6aa9e68b998db10110699be6c10018f020bb7be83524a23926191ae",
    "signature": "0xf55e2f43c38e6f428c5fb91ef33457412b0c03ca99695f9716e22fc25cc2320f320a2a0bb97d2bd4b5dc36d6507bab289e3005bbc6d7f7310a8ee938208fec9d1c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}