{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55689",
    "entityType": "User",
    "nonce": "0x139457d17bf74fab1c5ea12ec3af6511ead9d600556cad6f38b9488e7122db15",
    "signature": "0xa4abc437db451a26325f777336c30482811ed2e90cb7cbcafe8254bf786dad23760dab8b9757eef8506176e50c260a3f4cc299eb7672fc1f62dc36f3f9a03e541c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}