{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "661186",
    "entityType": "User",
    "nonce": "0xdfeeb997917548dad2e9d9831b887830ddff03bed182441163b99e61c702ec5d",
    "signature": "0xad70071cb3d98817309cc01b613dab1116ad5b86b305d767b7d0368fc20b4a392d629657d3a2720f51f3f8b6739a0e598dd3f29b62f6be5f095a4d1a434620dc1c",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}