{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120818974",
    "entityType": "User",
    "nonce": "0x5ce4de3e7130e2e262368ba507f538988a395582ebb8465ba24ac8efc8d098d0",
    "signature": "0x0341ac8415f5be1064578fda8b3f7ac0ad10b96b7213c8175ba15d405acf99581163e12a77f051b8717d99d3776055302c2326c567a7b95401f4aec5005975c21b",
    "signer": "0xdB791822A11f5aDc830669bdADa8121a4558D7A3",
    "userId": "347139808"
  }
}