{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "91051",
    "entityType": "User",
    "nonce": "0x56b97e6a45b2cc4c12a89b0cc6ddffd844de7df8f0982d4fa8ae10aa6d5b908f",
    "signature": "0xb22e19351aeee03c6299cae1b7ef5ca043d0f58fc6472c57ad6c974c7be48e820a475bed3125626683a0e6f2733996bea492f22add128162a9058e24afa495711b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}