{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "317847",
    "entityType": "User",
    "nonce": "0x9ce8c245ef8a6acefbeb3b8c2468c2e9fa1a00c99abfd0c4bd7edad65702f3fe",
    "signature": "0x161872bcf041469908d927ead71e2f4b2e4b1b29fcc4a95e0fd79716897ca2ab7794ffbcde5c58f40e2458f7ac1b74c5383a356c7b0070b53d2b3e344f6592541c",
    "signer": "0x3872417aC9CCdc743F396f6d7A6872e91dB934d1",
    "userId": "701379462"
  }
}