{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1882811",
    "entityType": "User",
    "nonce": "0x46151af1116807aee7e92aee708dfa5d94345871b0eea19ebc08748d29742e87",
    "signature": "0xed1fa7808a43ed9364229969ebcf2d2e4e4d5d0c979189bb5e0bb3775ea732f770e91f8df9a99ff10d7c333205dc212d12486c5452f8411847f2b2411c2bc3d91c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}