{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50632",
    "entityType": "User",
    "nonce": "0xd96af2517432305449dd6373836a62bfbe65f28b0eb2f0d021691d62a4193970",
    "signature": "0x12fbb3046f76cc25bcfdd2dcc6a8c841764fc41e0ba1ba53ca1fc99ff20096fb7b05ca2f28b51a8ccb86086f0d5676c0a25e4f1dd8ef249299d661eeec612b411c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}