{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "350030",
    "entityType": "User",
    "nonce": "0x4d7b607cce58412279f2a3f57effdc5d2500d1d2dea79714fb91c5d93590153c",
    "signature": "0x17e4ad2bb5681931af1d02faad92911abef491deab46da12fbfe55d921712770083023b8153e92f18a0b9d007dd7b108f3c58721789856c42bc27f08fd854e501b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}