{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "380455",
    "entityType": "User",
    "nonce": "0xa132ae2cc2a90d4221ac9779dd91406f3192683a8a1c350d5208ebaf0c2c09e8",
    "signature": "0xd31127bee4234b66a730d037c9b0115e76f799341da708098079c86af8b5f4a90d0a439d96dd2633761a5ba9eb7d0a5c341820ff4c20079e65c43e38c64bb2821b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}