{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x847185ea3527616996320b281c4f4551b300127f7ef1a2948ba94a8f851eed4f",
    "signature": "0x691d74c60869d7f1ae36d94d25fca0d2496b41e74d4b2b7343a637ae63191e5417d8d74ce12a359285949af22ad7b397b207ff6f2f4f0a152b5238e7c60bd6bb1c",
    "signer": "0xeBB9198d5c2f7272d0e5c0dF356Dd10A4e453419",
    "userId": "27195868"
  }
}