{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "63767",
    "entityType": "User",
    "nonce": "0x628cb840b4ba406d267f7753899b0ed4836b3aec240748572805b00b754a518f",
    "signature": "0x871bc9318bbd3c7fe542f08dee19041cd920e06440f12944f2f44f5e4bf5758d571b238c4671e79e61a9cf3253dbd5b0111b83af797fe52beb50e87c71de4aa11c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}