{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10885",
    "entityType": "User",
    "nonce": "0x9c5de16ec5e6ddc7760eddc7db3985f989187ae615b313cd3758db61f51a6533",
    "signature": "0xf2ed611eb343a0b6a78ca9b950704ebcd48ae79f7b92f7c1d34089e5591d81446ae6bcde6f1606877119ba7a93c3efafddcfd76e7e69bb5b09ce5503ca845ba41b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}