{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x84e0d4d4fa739a8e1a86b44961ade3045a14b528c4c59feee62e5f64b7acbc65",
    "signature": "0x69814891199bd4a52b89348db0c4b5bc9b65aa83f5633d4e02d3d448e3cc9ab30cb13d5e7752d5c570dcfa78896a15db5f67b76692b9b0a4fe8f3d57590031021c",
    "signer": "0x71A8b6263265F31bF93B5519CF3787Fa4A56e96C",
    "userId": "268524960"
  }
}