{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "221182178",
    "entityType": "User",
    "nonce": "0xb0b0279e29a1ecb8d6c2283706cd66b61c961f9fe43214568caa20238c18b04f",
    "signature": "0xeb2aa7f632d1ce5d7a092976e923029b9ff7745fc87855563d6eb20ca1bd6e6b09d54cd864f064d1ecb758e8bd71b9214121f4b926d157bd1905394bebffc9181c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}