{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "954117045",
    "entityType": "User",
    "nonce": "0xb590d1b72189efc50d29370ada5a6f2bb79130751533a6ec51eeecf42422d97b",
    "signature": "0xa48a054c3886d1560a834ca413894960dc443512dd9662de89305ce16431ee2775a7ca1d8c74703934f2a1d9eec658bf4b3c0aeeda3df4d3fdbed42d07acd0aa1b",
    "signer": "0x6B239e9B75f27b519de7Bad3a26a0b7d30e32D3f",
    "userId": "311257477"
  }
}