{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77307",
    "entityType": "User",
    "nonce": "0xecfd519ee981a50a2fc7245e0c880d8b922bc6f8f5ea31d579e15d9447dd91dd",
    "signature": "0x88b5743b0030f4c225c0268cc319917b3aa54a05a9244d8b22551f1043354d4d329744958e270919f46c2224f3658ee6f96a0b90af7c1f2ac5ba83fd8c34068a1c",
    "signer": "0xdB791822A11f5aDc830669bdADa8121a4558D7A3",
    "userId": "347139808"
  }
}