{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "629530515",
    "entityType": "User",
    "nonce": "0xcf94c27849c02bfcfa4d24edf04969b82329a2ec14686db3149043bd929c0f7f",
    "signature": "0x00f9c635b701f034cce174ec2f672f79ea725028f4f747b0a673172342b5f7314b3818f947cc96ce2221f783ebd8766e41fa1ad87c5dc1c5a875b6dc5b79446e1b",
    "signer": "0xC6f6979d7215C4611Cd7aDb30a42B2812294262c",
    "userId": "55290787"
  }
}