{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "134328",
    "entityType": "User",
    "nonce": "0xa62a08db8186bdb5bf8b7de0f54a096fbcdb5eccfda3720d1ccea44782ebc98f",
    "signature": "0x3e7e395b2889db6324b7678c08a42709cddb0885680958b29fc4670ddac9902957530d712f6fc067c6be8573ea8396f52c493e97c11eb651072ac41e79f5e6dd1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}