{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x54a9485266190ba6ac4dd64241d779ee06235c2a983d3878ab30317ec0bd6a54",
    "signature": "0x6ffdd0763d8139175bc5787bd37b3d2a23ec3dc8d8399db15f50172f8a63611c553ff78f5b511edb061ba5f19a05ab3699fbe917509074e62ad66b3b71f22e731b",
    "signer": "0x38b82b1Cd46eCBa50DB7fB20B1FD260725058884",
    "userId": "672217540"
  }
}