{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "180188",
    "entityType": "User",
    "nonce": "0xd18557f7f7252c0eca62f4d16b3b3234bfddc74c997dcb0111e5c6e3d15f60c0",
    "signature": "0x5a471099cd6a40257dc3e9c3bd4dc9f643d0ecccf241a4ff01c115457e6a055203b06d76f4b17936f40e8d67f25ced0f7852a3cef58d86b2b62c458eb0eaf9ec1c",
    "signer": "0xF40Be525727aa96Cf61609f0A493d9E677f73a33",
    "userId": "159460377"
  }
}