{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "282272790",
    "entityType": "User",
    "nonce": "0x55aa8abc8145f32c0c5f423741a826c9cf52673b21e8f4664810a665fa3bc897",
    "signature": "0x58ae1548b4393eeb86541e4093bb02e1d4ad309ba3389c32c34e767f1a3c3e6d3d76ca31fd9319e6dc9805b9bb54bd8e70e7a782a517cdbf8b097d3306896f701b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}