{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x43f44325672cb337df468d6b6ca9c0ad98e81ec1be4c74f3f7fa5408e26f0dcb",
    "signature": "0xdf24424df2153accc6d249cce2b179b943e8a96dde3b9d557e18c5d3191f1c3e1d342973f9f26c6bb2943b19c68297eadfc143d4f7a9acd8b1a41909fed2ded91b",
    "signer": "0x22b4CD814353E6e4a3292C4D20580e3F57d63b16",
    "userId": "993194611"
  }
}