{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "34922",
    "entityType": "User",
    "nonce": "0x3243628040d0e530b003bf45681b9482e1cea0e344211ab5ab72fecb459c8a89",
    "signature": "0xefb6c43e78995576c65300b938c2e4e2c06d068e1f03bc449c4fc0f23f093682611a3027fb38b37eb2585cde926d3be50af4ea2f874f6842365bded3da6341d31c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}