{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "323557182",
    "entityType": "User",
    "nonce": "0xf47aaf00602682e8b3a995669b2e87504f6a4208bef0aeb92d089f57f03c3563",
    "signature": "0x08b60c18e77c479aff35395007f8bc3290842714b287fd8da4c1c5de4f298b715d4ca1907d0e0afd3b5cdecca896ec58e2824292a155c0b1b72ee7a1055b3ff71c",
    "signer": "0x9698A898Ed554B831a7BB69972E1B05eCC560430",
    "userId": "967510490"
  }
}