{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5c1441acba489ae2d06c8f5820a2e33223bb55699ae03eb4d45c90f6bcf51925",
    "signature": "0x7de29f7cb83974ced3231fa522458bda1e97f2bec05a08c00322a0e886befd284635c1e3d725665c91dabde2d96cc01aa713e9251a33f658e02832c8ee3945241c",
    "signer": "0x0326cEeBC8D8084bb9Bb3d2cB26e0F1D79c03903",
    "userId": "438327537"
  }
}