{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4376",
    "entityType": "User",
    "nonce": "0x5e8d3ad54a7b3ba869e30540715e8d8c4525a3faa2a5312c019f67ec0f96a317",
    "signature": "0x7dcce0ca9da5d83338385dd4919e187ef712452bde012564bae0da2977a22c5c66b3d26c3a79654c5c1b1126909ee3392f9ea1c340bb5e549f87e0984a4e3d2c1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}