{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "357771",
    "entityType": "User",
    "nonce": "0xdeee6abc67a0d2268a367e03ca3d5f5a0c91789966e8296e074a48f8edad4fd0",
    "signature": "0x7cfedf772146d4fca39642107a4f07b54235e6e841345501245e4493f21137824ca8ede26649cdfd77238ca5178c3111dd32fb33937d211499c2b90972bea99f1c",
    "signer": "0xc97A6025Ad8c7Ba1a35Ef7E3A3b88ABc8b2013BF",
    "userId": "666092734"
  }
}