{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "125234",
    "entityType": "User",
    "nonce": "0xf6eada73f5f503827a613d9d5692510bd1a01c0b94f5c2373d9da2f99aa6bfba",
    "signature": "0xe57e91c526084df9d2e1a7c9742ce410fee1305638724bc05617eff3cd6220a6663879cd9418337937548b0d985de3d35167d363ffb9f28ffa7b550e4ca2d8201c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}