{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "226321",
    "entityType": "User",
    "nonce": "0x956d87c9ead73504439ccdfabd7e993b751c24c0e802b5489b943d4b41f01175",
    "signature": "0x70c8e231c5619e57b3a987ee9d3bcd46228b03038b36c9d0b535dd464bf07da012675273276260ac409bfdef450709621bad2c730b42da1705cafba4cb2fc5931b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}