{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xac92a25d1dfa8e66fc4912dd30f8eff518a3b34cfc0e7033de635fad031f2dac",
    "signature": "0x9545abe63891b82620e2d8ff8f5ebd53ff154c7c17264788e6e7f4f356c18fa26d0824cfb1db66190dd8929426c3b564bb56b78426d1e46013650c7dacfc1a9d1b",
    "signer": "0xeDfBE8692224c4fE2951E97418044B5aFE3087e9",
    "userId": "16214258"
  }
}