{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xdd3be4047ea15836aaed212cdef56371ded8eb674f97bfd21d05684e6b7dc618",
    "signature": "0x2881f79c991f52297bc38a7d2d4f8a716cdc466bec53130f41cf5e491331c6af5b6128162395a708ba3c973439dd8c696474b9ae4fd1ee4d1970037fcc2595d41c",
    "signer": "0x832F4BD24a7ba2CF0fA874d501e05F9b0DC4dF17",
    "userId": "760361796"
  }
}