{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "266507",
    "entityType": "User",
    "nonce": "0x5599ddac1d681609c204aadb5698d06f539b66f3abe0372b299ce22ca4ac68f6",
    "signature": "0x977c416f0d375c45d2b81f2f0d4bc94dbea35bb00df66c9df77326b66ad6fc3d28918af226b2d221bd72e2d97195a517106db58b380048e905e0e15b4e592ef11b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}