{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "186661",
    "entityType": "User",
    "nonce": "0x7e6f73f318c32b7e0e6419654f2f480e8097d155c748b34973dbcf2463c1c06f",
    "signature": "0x1261bd7755dbe7a0188332f65b6b5bb0f14ebe958a63913d30e3d24283137f833443f5f49fbe2085520d6e05d53adf5e74e2d28b57c6fafc26e1be3bde9d1ee31c",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}