{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27447",
    "entityType": "User",
    "nonce": "0x5b517bab9ecf1533fdc3460ad91ce30cf513bc060949d14ffdae4738775cd207",
    "signature": "0x2037f7941bebe15bfd6cd23869b69e06390aa803983ecb362a8e9d9a67809c5a0ed3812844d60baf16ae9f3d88a531b091be792c724730ebce78d335d389b0ed1c",
    "signer": "0xC3292D1c5a77306Fc761537D80c8EeBAfF3b8Bdc",
    "userId": "3964985"
  }
}