{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "704781584",
    "entityType": "User",
    "nonce": "0x0f8dafa004fd900cf6df46d1885b6d2a7223cf8c0d5fb552028e53d210487e1e",
    "signature": "0xa21df728e7306b87f5e7b9fffb89649a79bed10e0e9372e02f055f5f491473c269c82ea06b605060e87c0f3db41bde3962537d8c26d136728a3e38886b78efd51c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}