{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20",
    "entityType": "User",
    "nonce": "0xe128f715ea527fe6bea5acb3daef3a0fe0c24bb30f9dbfa1301705e31b1d5b10",
    "signature": "0xb40bbb1322244b23319ce04a5b270701a709d0543067264e1c7abbe70a782c80779711f62df951574d3029efe12aa5b907a9f1d090bf9a74a4109d2a93ff34c81b",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}