{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "15758",
    "entityType": "User",
    "nonce": "0xbabb72bbe4a2531d9f6cab4a49584d2c52d911442ebca0899ea603d610bd90cc",
    "signature": "0xe1e8ae6278174424734148019538ccdcedbd97aebdee6851dab176257738630a474cb85015cd6818d5933a6b3a5727cc73cebd6f56b9d08251c835b38d179d8c1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}