{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "222527895",
    "entityType": "User",
    "nonce": "0x4e5fdd5155cc684eb8f358f47b6e40767b0bd0c5f1b7d2536e44b6e6d31cfe2b",
    "signature": "0xa78ec2151c4c55c04b74893cc041e316cca593f7313063054726dd321e59eb4508f2cbf4d37f6da74041cfdb38e72ec49a8b88d06e0d101e9b0d2e52e457e40c1c",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}