{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "187906784",
    "entityType": "User",
    "nonce": "0xa47d2bdc0e7ded343bfb491ee47d364724552d31dad45dba111f705cf7c306ab",
    "signature": "0xe44061c396305932445adba393d90d87124835012ff3d6c3ce6e955e2aa8ff636ec4b4987f3a80c610e903bf3c5e3e40c67dadd8fde057fdaddcfbc1e524d2691c",
    "signer": "0xca9222f1aedE81bB652753be5E233B18473E61E5",
    "userId": "9780"
  }
}